An Extensive Review on Organic Light-Emitting Diode for Energy-Saving and Eco-friendly Technology

Rana, Rita; Jetly, Akanksha; Mehra, Rajesh

doi:10.1007/978-981-13-6772-4_78

Cited by 4 publications

(3 citation statements)

References 49 publications

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“…Unlike LCDs, every pixel of the active-matrix OLEDs is well-controlled by thin-film transistors, allowing a high contrast ratio and a true-black background. OLED displays require no backlighting and filtering layers, which can avoid the panel from suffering from light bleeding, thus simplifying the architecture and reducing the weight of the panel. , Equally important, the lack of these layers on top of the OLED implies a reduced thickness of the panel and hence improves the viewing angle. A typical OLED is built by sandwiching several layers of organic semiconductors between two electrodes.…”

Section: Introductionmentioning

confidence: 99%

Molecular Design of Luminescent Gold(III) Emitters as Thermally Evaporable and Solution-Processable Organic Light-Emitting Device (OLED) Materials

2021

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The advancement of high-efficiency luminescent and thermally stable organometallic complexes has offered opportunities for the commercialization of metal phosphors for fabricating organic light-emitting devices (OLEDs). Since the first report on the potential use of iridium(III) and platinum(II) complexes for applications in OLEDs in the late 1990s, extensive efforts have been made by researchers on the development of various heavy metal-containing compounds with rich photophysical and luminescence properties and the engineering of device architectures to improve device efficiencies. Apart from the more well-studied iridium(III) and platinum(II) complexes, complexes of gold(III) recently have demonstrated their capabilities to serve as phosphorescent or thermally stimulated delayed phosphorescent or thermally activated delayed fluorescent emitters, and their promising performances in OLEDs have attracted growing interest in the past decade. Nowadays, complexes of gold(III) with emission energies ranging from sky-blue to near-infrared with high electroluminescence performances have been obtained. In addition, high-efficiency vacuum-deposited and solution-processed OLEDs with benchmark efficiencies comparable to those of the iridium(III) and platinum(II) complexes have been realized. This Focus Review summarizes the development of various series of luminescent gold(III) complexes to date and highlights important milestones in the development and advancement of gold(III)-based OLEDs. Focus will be made on the molecular design strategies for gold(III) emitters for application as dopants in OLEDs, including those fabricated by vacuum-deposition and solution-processing techniques.

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Section: Introductionmentioning

confidence: 99%

Molecular Design of Luminescent Gold(III) Emitters as Thermally Evaporable and Solution-Processable Organic Light-Emitting Device (OLED) Materials

2021

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“…They are lightweight, flexible, thin, and have wide viewing angles. [2] We are currently in the third generation of OLEDs. The different generations of OLEDs have been influenced by the development of different classes of emissive materials.…”

Section: Doi: 101002/marc202300015mentioning

confidence: 99%

Flexible Ink‐Jet Printed Polymer Light‐Emitting Diodes using a Self‐Hosted Non‐Conjugated TADF Polymer

Cole

Kunz

Baumann

et al. 2023

Macromol. Rapid Commun.

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Thermally activated delayed fluorescent (TADF) emitters have become the leading emissive materials for highly efficient organic light‐emitting diodes (OLEDs). The deposition of these materials in scalable and cost‐effective ways is paramount when looking toward the future of OLED applications. Herein, a simple OLED with fully solution‐processed organic layers is introduced, where the TADF emissive layer is ink‐jet printed. The TADF polymer has electron and hole conductive side chains, simplifying the fabrication process by removing the need for additional host materials. The OLED has a peak emission of 502 nm and a maximum luminance of close to 9600 cd m−2. The self‐hosted TADF polymer is also demonstrated in a flexible OLED, reaching a maximum luminance of over 2000 cd m−2. These results demonstrate the potential applications of this self‐hosted TADF polymer in flexible ink‐jet printed OLEDs and, therefore, for a more scalable fabrication process.

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“…Small molecules and polymers used as active components of organic electronics have received a very high level of attention in recent decades owing to their wide range of attractive features including solution processability, tunable absorption and energy levels, high carrier mobility, and photochemical and thermal stability. [1][2][3][4][5][6][7][8][9] Several devices have evolved through the use of these materials, such as field-effect transistors (FETs) for microelectronics, 10,11 light-emitting diodes (LEDs) for lighting and displays, [12][13][14][15] sensors, [16][17][18] lasers, [19][20][21] molecular switches [22][23][24] and photovoltaics. [25][26][27][28][29][30][31] Despite the tremendous achievements in recent years that have led to the commercialisation of these devices, significant efforts are still devoted to enhance their performance, improve their processability and stability and understand their functionality.…”

Section: Introductionmentioning

confidence: 99%

New thiophene-based conjugated macrocycles for optoelectronic applications

et al. 2021

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An Extensive Review on Organic Light-Emitting Diode for Energy-Saving and Eco-friendly Technology

Cited by 4 publications

References 49 publications

Molecular Design of Luminescent Gold(III) Emitters as Thermally Evaporable and Solution-Processable Organic Light-Emitting Device (OLED) Materials

Molecular Design of Luminescent Gold(III) Emitters as Thermally Evaporable and Solution-Processable Organic Light-Emitting Device (OLED) Materials

Flexible Ink‐Jet Printed Polymer Light‐Emitting Diodes using a Self‐Hosted Non‐Conjugated TADF Polymer

New thiophene-based conjugated macrocycles for optoelectronic applications

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